ProShares UltraShort Industrials (SIJ) Short Interest Ratio & Short Volume

Short interest is the volume of ProShares UltraShort Industrials shares that have been sold short but have not yet been closed out or covered. As of August 31st, traders have sold 1,400 shares of SIJ short. 1.40% of ProShares UltraShort Industrials' shares are currently sold short. Learn More on ProShares UltraShort Industrials' current short interest.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.40% of ProShares UltraShort Industrials' floating shares are currently sold short.

ProShares UltraShort Industrials saw a increase in short interest in the month of August. As of August 31st, there was short interest totaling 1,400 shares, an increase of 27.3% from the previous total of 1,100 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

1.40% of ProShares UltraShort Industrials' shares are currently sold short. Here is how the short interest of companies compare to ProShares UltraShort Industrials: Themes US Infrastructure ETF (0.25%), MAX Airlines -3x Inverse Leveraged ETN (4.26%), Themes Airlines ETF (2.67%), AdvisorShares HVAC and Industrials ETF (0.33%), Gabelli Commercial Aerospace & Defense ETF (2.44%), U.S. Global Technology and Aerospace & Defense ETF (2.27%), Direxion Daily Transportation Bull 3X Shares (2.80%), Global Infrastructure Active ETF (3.20%), ProShares Ultra Industrials (0.14%), iShares U.S. Manufacturing ETF (1.60%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks.

Short selling SIJ is an investing strategy that aims to generate trading profit from ProShares UltraShort Industrials as its price is falling. SIJ shares are trading up $0.01 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for ProShares UltraShort Industrials occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of SIJ, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including SIJ, twice per month. The most recent reporting period available is August, 31 2025.